Concrete-mixer.



G. E. EGBERTS. 'CONCRETE MIXER.

APPLICATION FILED TBB. 16Y 1911.

" Patented Jan. 30, 1912.

2 SHEETS-SHEET l.

c. E. ROBERTS.l CONCRETE MIXER.

APPLIUATION FILED FEE.16,191].

'Patemed J 30, j;

2 SHEETS-SHEET 2.

e tamu WJTNESSES CARL E. ROBERTS,OF ATCHISON, KANSAS.

contenere-MIXER.

Speecation of Letters Patent.

Patented Jan. 30,1912.

Application filed February 16, 1911. Serial No. 609,045.

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Be it known that I, CARL. E. Ronn'rs, a citizen of the United States, residing at Atchison, in the county of .Atchison and State of Kansas, haveI invented certain new and useful mproveinents 1n Concrete- Mixers, of which the following is a speci-A fication. 4

This invention relates to an improvement in machines designed especially for use. in mixing sand, cement, mortar and the like.

The principal object of the invention 1s to provide a machine of the class described which is portab-le and manually operated.

Another important object of the invention is to provide a mixing machine which will lautomatically be dumped upon the release of a supporting irod.

A further ob]ect` of the invent-ion to provide an improved supporting frame for the mixer, which can be quickly-collapsed when it is desired to transport the machine from place to place.

A still further objectof the invention is to provide a mixing machine which is composed of a minimum number of parts and is therefore simple in construction, and cheap to manufacture.

lith these and other objects in view, the -invention consists in the construction and novel combination of parts hereinafter described, illustrated in the accompanying drawings, and pointed out in the claims hereto appended; it being understood that various changes in the forni, proportion, size and minor details Vof construction, within the scope of the claims, may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.

In the drawings Figure 1 is a perspec-` tive Aview of the machine, showing the receptacle in` its dumping position. Fig. 2

is a side elevation ofthe machine, showing the receptacle inl an elevated or operative position. Fig. 3 is a rear end view of the machine. Fig. Llis a detail longitudinal sectional view through the receptacle, some of the parts attached thereto beingshown in elevation. Fig'. 5 is a vertical transverse A sectional View of the receptacle, taken on the line 5-5 of Fig. 4. .Fig 6 is a fragmentary sectional view similar to Fig. 4, showing the receptacle supporting and rotating means in sectionr- (Like reference numerals designate corresponding parts in all the ligures of the drawings.

Referring to the drawings, the invention comprises a main supporting frame designated by the numeral 5. This frame is lpreferably of an inverted Ushaped formation, and is preferably formed of sectional tubing, although I do not. wish to limit. y.-

myself thereto. This frame consists of legs which are respectively bent outwardly at their lower end portions 9 and are con-I nected at their upper ends by a member 7 and elbows 8.

In order to prevent lateral movement of the legs, a 'brace 10 is provided and is preferably formed of metal and bent into an inverted V-shaped formation. The free ends of the brace are connected to the legs 6 by mea-ns of bolts 11 and 12and a central portion being connected to the member 7 of the frame. By this construction, it will be seen that two braces are formed from a single strip of metal. This frame is normally arranged at an inclination,l and Ain order to support the same, a support 1B`is provided. This support is also preferably `formed of metal and is bent vto form supporting members 14444 and a connecting port-ion 15, the latter being adapted to rest on the ground and the free. ends of the supporting members lllvhaving pivotal engagement with the frame 5.1 Chains 16 are respectively connected to the fra-me 5 and the support 13 be- -21 respectively which are connected at one end by a member 22 and elbows 23. Laterally projecting from the arms 21 are trunnions 24e which are journaled in the said ears 17 of the lsupporting frame. Thesetrunnionsare disposed in close proximity to the connecting member 22 for a purpose hereinafter described. Longitudinally arranged within this frame is a. receptacle 25, which has one end closed as shown by 26, and the other end open. Centrally arranged and inwardly projecting from the bottom 26 of the' receptacle, to a point intermediate its ends,

is a support-ing rod 27, the other end of theA rod projecting outwardly beyond ltheaida sprocket Wheel xedly mounted on the op erating rodand arranged in alinement with the first mentioned sprocket Wheel, a sprocket chain connecting the said sprocket wheels, anl means for actuating thesaid operating ro 3. In a mixing machine, the comtffnation with a supporting frame, a tilting frame pivotally mounted thereon, a receptacle having a bbttomarranged Within the tilting frame, a rod having one end connected to the tilting frame, and having its other end projecting through the bottom and into the receptacle, said projecting end being provided With a head, asleeve loosely mounted 'on the rod, one end of the -sleeve abutting the head of therod and the other end of the sleeve beingprovided With a flange which' is fixedly secured to the bottom of the receptacl'e, and means carried by the tilting frame for vrotating the receptacle on the rod.

4. In a mixing machine, the combination with ,a supporting frame, a tilting frame pivotally' mounted thereon,.a receptacle having a bottom arranged within the tilting frame, a rod havingone end connected to the tilting rameyand having its other end projecting" through thebottom and into the receptacle, said projecting end being prof vided with a head, a sleeve loosely mounted on the rod, one end of the sleeve .abutting the head of the rod and the other end of .the sleeve being provided with aiiange which is flxedly secured to the bottom of the ree'eptacle,A a sprocket Wheel rotatably mounted on the rod and ixedly secured to the receptacle, a bearing block on the rod intermediate the tilting trame and the sprocket Wheel, andv means carried by the tilting frame fand" operatively connected to the sprocketl v'vheel for rotating the rece tacle.

In testimony whereof I hereunto a x my signature in the'pre'sence of two Witnesses. CARL E. ROBERTS.

Witnesses Z. E. JACKSON, RUTH S. ArNsWoRTH. 

